Oneonta 23B3 is a fossil collection site in New York, cataloged in the Paleobiology Database. Fossils here come from the Geneseo Formation, dated to the Givetian (387.95–382.31 million years ago). The depositional environment is recorded as offshore and the tectonic setting is foreland basin. Documented finds include Orthospirifer mesastrialis, Palaeoneilo constricta, Nuculoidea corbuliformis, Striatochonetes, Leptodesma spinigerum, Tentaculites.

Geologic setting

Formation: Geneseo
Geologic interval: Givetian
Age: 387.95–382.31 Ma
Depositional environment: offshore
Tectonic setting: foreland basin
Recorded occurrences: 13

Locality notes

aka Oneonta-4

Fossils found here

Orthospirifer mesastrialis

Rhynchonellata · Spinocyrtiidae

Palaeoneilo constricta

Bivalvia · Malletiidae

Nuculoidea corbuliformis

Bivalvia · Nuculidae

Striatochonetes

Strophomenata · Chonetidae

Leptodesma spinigerum

Bivalvia · Pterineidae

Tentaculites

Tentaculita · Tentaculitidae

Palaeoneilo

Bivalvia · Malletiidae

Devonochonetes scitulus

Strophomenata · Chonetidae

Cupularostrum eximia

Rhynchonellata · Trigonirhynchiidae

Cupularostrum

Rhynchonellata · Trigonirhynchiidae

Paracyclas

Bivalvia · Paracyclidae

Sphenotus

Bivalvia · Grammysiidae

Goniophora

Bivalvia · Modiomorphidae

Records and references

Data: Paleobiology Database collection 111424 (CC BY 4.0) — view the source record

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Questions about Oneonta 23B3

Can you collect at Oneonta 23B3?

It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.

What minerals are found at Oneonta 23B3?

Fossil.

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What to bring

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Meteorite nearbyA 68 kg iron meteorite was found at Burlington in 1819, 22 miles from here.

Source: Paleobiology Database.